1. Institute for Plasma Research (IPR), Gandhinagar, Gujarat 382428, India
2. Homi Bhabha National Institute (HBNI), Mumbai, Maharashtra 400094, India
3. Institute for Plasma Research (IPR), Gandhinagar, Gujarat 382428, India (Corresponding author), e-mail: ramu@ipr.res.in, https://orcid.org/0000-0001-7269-6324
4. National Institute of Technology (NIT), Karnataka, Surathkal 575025, India